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Space Nuts Episode 180

Another all listener questions episode:

  • Starlink Satellites ...and Gravity Lensing questions...
  • A question about black holes...and another re Tunguska......
  • Finally, questions about Hawking radiation and Mars Quakes...Fred answers them all.

New! Join the Space Nuts Facebook and share stuff with other listeners, ask your questions….Andrew may even answer them. This is your community so we want to hear from you. Just search for the Space Nuts Group on Facebook and join today. See you there…

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Would you like to help support the show and get yourself one of our new T-Shirts? Details here: (They make a great present…)...and check out a snappily dressed listeners in their new T-Shirts in our Facebook group.

Professor Fred Watson’s new book is available now - ‘Cosmic Chronicles’ - Are we alone in the Universe? Where did the Moon come from? How do we know what stars are made of? Could there really be a future in asteroid mining?

In Cosmic Chronicles, Fred Watson – Australia’s Astronomer-at-Large and bestselling author – explores the hottest topics in space science and astronomy.

By using our links you’ll be helping support the show without it costing you any extra. For our Australian listeners, you can get it here and for our international listeners, use this link:  

Andrew Dunkley has his new Sci-Fi Novel out now too. Parallax - a new science fiction story about a man who is thrust back to his birth and starts his life again carrying over 50 years of future knowledge, but he's not the only one. A strange corporation called Parallax wants what he knows! Our Australian listeners can pick up a copy here: and our international listeners get theirs here: 

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